Toothbrush



FIG. 1 is a top, side and end perspective view of a toothbrush showing my new design;

FIG. 2 is a greatly enlarged end elevational view as seen from the right of FIG. 1;

FIG. 3 is an elevational view of the opposite end thereof;

FIG. 4 is an enlarged bottom plan view thereof;

FIG. 5 is an elevational view of the side opposite that shown in FIG. 1; and

FIG. 6 is a top plan view thereof. 

The ornamental design for a toothbrush, as shown and described. 